i modify this
#add some thing
#i think i should use nano ,not vi ,it's really ok!! and good,easy to use;!
#


# you need to do something like this ,like that,ubuntu coding is what difference from windows;

function(){
	console.log('hello world');
#	coding is to write article,not write it with ide;
}


# to fix a bug in product

console.log('product bug is fix');
